Radiator Mercedes C207 W212 C218 Coolant Water Engine Cooler A0995003803

Visual condition of the part

The product shows signs of use visible in the photos.

Radiator Mercedes C207 W212 C218 Coolant Water Engine Cooler is an original cooling system component, designed specifically for E-Class and CLS models. Thanks to its factory-spec construction, it ensures stable heat dissipation from the engine unit and proper engine operation across a wide range of loads, which translates into safe and predictable vehicle performance.

Specifications and technical data

• SKU: A0995003803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0995003803
• Substitutable numbers: A0995003803, A 099 500 38 03
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator is a cooling system component responsible for efficient heat exchange between the coolant and the air. In Mercedes E-Class (W212, C207) and CLS (C218) vehicles, a properly functioning radiator is crucial for maintaining optimal engine operating temperature, protecting against overheating, and reducing the risk of damage to seals, the cylinder head, or auxiliary equipment.

The radiator's design is adapted to the factory mounting system and hose routing in the engine bay, which allows for maintaining the original coolant flow characteristics and proper interaction with the thermostat, water pump, and fans.

Benefits of using an original Mercedes radiator

Using an original radiator in the cooling system provides a number of practical technical benefits:

• factory fitment for Mercedes C207, W212, C218 models – no need for modifications to mounts or hoses,
• preservation of the cooling efficiency designed by the manufacturer under both city and highway driving conditions,
• consistent cooperation with other cooling system components,
• reduced risk of leaks resulting from imprecise fitment of aftermarket replacements.

For the user, this means stable engine operating temperature, lower risk of thermal failure, and predictable vehicle behavior in demanding conditions, such as driving in traffic jams or towing.

Condition of the component and installation aspects

The radiator comes from disassembly and is offered as a used part, which is a cost-effective solution while maintaining the manufacturer's original specifications. Before installation, a standard workshop procedure is recommended, including a leak test, inspection of the channels for cleanliness, and verification of the connection ports to ensure a proper seal with the cooling system hoses.

Thanks to the factory dimensions and mounting points, installation in the appropriate Mercedes model is straightforward – for the mechanic, it involves correctly seating the radiator, connecting the hoses, and bleeding the system according to the service procedure.

Operation and maintenance of the cooling system

To fully utilize the potential of this radiator, it is worth ensuring regular maintenance of the entire cooling system: periodic coolant replacement, inspection of hoses, clamps, and related components. It is also good practice to monitor the engine operating temperature and react to the first signs of overheating, such as rising gauge readings or more frequent fan activation.

More practical information on cooling system diagnostics and repair can be found in the article Engine cooling system – overheating, repair, and used radiators, which discusses the impact of a functional radiator on engine unit longevity.

Expanding your Mercedes cooling system upgrade

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional radiators, coolant hoses, or expansion tanks, check out the available parts in the Mercedes water radiators category.

For a broader perspective on the operation of Mercedes engine units and the selection of engine accessories, you can also use the advice contained in the blog post Reliability under the star – how to take care of engine accessories in popular Mercedes-Benz C-Class and E-Class models?, which helps in consciously planning service and parts selection.